Marks most surfaces easily and resists fading. Bold blue color makes your signs or notes easy to read at a distance. Ultra fine precision tip for smooth, clean writing. Low odor formula ideal for classrooms, office, or home. Designed with visual cues of ink color and tip-type to help you quickly select the right permanent marker to use. Barrel shape not only provides a comfortable grip, but also keeps the marker from rolling off your desk. Water Resistant Ink. Dozen per pack. AP certified non-toxic TRU RED blue ultra fine permanent markers for fine details time and time again. Write small, detailed labels and messages in indelible ink with these blue ultra-fine permanent markers. A low odor formula simplifies work on labeling and marking tasks in confined spaces, while an ultra-fine tip permits optimum performance when working with smaller materials. The pens in this 12-pack of TRU RED blue ultra-fine permanent markers come equipped with caps and clips for easy storage and handling.